2021 MERCEDES-BENZ A-CLASS SALOON seat memory

Symbols
Symbols
.......................................................... 5 5A
A
t a glance
t a glance ...................................................... 6 6
Co ckpit ........................................................... 6
Cockpit (Plug-in-Hybrid) ................................ .10
Indicator and warning lamps (standard) ......... 12
Indicator and warning lamps (widescreen
cockpit) ........................................................ 14
Overhead control panel ................................. 16
Door operating unit and seat adjustment .......18
Emer gencies and breakdowns ....................... 20 Digit Digit
al Owner's Manual
al Owner's Manual ................................. 22 22
Calling up the Digital Owner's Manual ............ 22 Gener
Gener
al not
al notes
es............................................... 24 24
Pr otection of the environment ....................... 24
Ta ke -back of end-of-life vehicles .................... 24
Mercedes-Benz Genuine Parts ........................ 25
Owner's Manual ............................................ 26
Mercedes me App ......................................... 26
Operating saf ety ............................................ 27 Declarations of con
form ity and no tes on
driving in di.erent countries .......................... 29
Diagnostics connection ................................. 38
Quali/ed specialist workshop ........................ 39
Ve hicle registration ....................................... 40
Cor rect use of theve hicle ............................. 40
Information on the REACH regulation ............. 40
No tesfo r persons with electronic medical
aids .............................................................. 40
Implied warranty .......................................... .41
QR code forre scue card .............................. .41
Data storage .................................................42
Copyright ...................................................... 45 Occupant safe Occupant safe
ty
ty ............................................ 46 46
Re straint system .......................................... .46
Seat belts .................................................... .48
Airbags ......................................................... 52
PRE-SAFE ®
system ........................................ 59
Au tomatic measures aTer an accident ........... 60
Safely transporting children in theve hicle ...... 61
No tes on pets in theve hicle .......................... 80 Opening and closing
Opening and closing
...................................... 82 82
Ke y .............................................................. .82
Doors ............................................................ 86
Boot .............................................................. 90
Side windo ws................................................ 94
Sliding sunroof .............................................. 97
Anti-theT pr otection ....................................1 01 Seats and sto Seats and sto
wing
wing....................................... 104 104
No tes on the cor rect driver's seat position .. 104
Seats ......................................................... .105
St eering wheel ............................................ 114
Easy entry and exitfeature .......................... 115
Memory function ......................................... 116
St ow age areas ............................................ 118
Soc kets ....................................................... 125
Wi reless charging of the mobile phone
and connection with theex terior aerial ........ 126
Fi tting/removing the 0oor mats ................... 129 Light and sight Light and sight
............................................ 130 130
Exterior lighting ........................................... 130
Interior lighting ............................................ 138 2
2
Contents

1
V Operates the memory function →
117
2 Adjusts the seats electrically →
110
3 w Switches the seat heating on/o. →
113
4 s Switches the seat ventilation on/o. →
113
5 ßÜLoc ks/unlo cksth eve hicle →
87
6 Opens the door →
86
7 p Opens the boot lid →
90
8 Í Operates the outside mir rors →
144
9 W Opens/closes theright side wind ow →
94
A W Opens/closes there ar right side wind ow→
94
B S Child saf ety lock forth ere ar side win-
do ws →
80 C
W Opens/closes there ar leT side wind ow→
94
D W Opens/closes the leT side window →
94
E Adjusts the head restraints →
110
F Con/gures the seat settings →
112
G Adjusts the seat backrest inclination →
107
H Adjusts the seat height →
107
I Adjusts the seat cushion inclination →
107
J Adjusts the seat fore -and-aT position →
107
K Adjusts the seat cushion length →
107 At
a glance – Door operating unit and seat adjustment
19
19

R
V
Vehicles wit
ehicles wit h memor
h memory function:
y function: movingthe
front passenger seat toa more favo urable seat
position.
R PRE-SAFE ®
Sound: pr ovided that the multime-
dia system is switched on, generating a brief
noise signal tostimula tethe innate pr otective
mechanism of a person's hearing.
* NO
NO TE
TEDamage caused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat position
may result in damage tothe seat and/or the
object. #
Stow objects in a suitable place. R
R
e
ev
ver
er sing t
sing t he PRE-S
he PRE-S AFE
AFE®
®
syst
syst em measur
em measur es
es If an accident did not occur,
the pre-em ptive
measures that we re ta ken are reve rsed.
Yo u will need toper form certain settings yourself. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. F
F
unction of PRE-S
unction of PRE-S AFE
AFE®
®
PL
PL US (anticipat
US (anticipat or
ory occu-
y occu-
pant pr ot
pant pr otection plus)
ection plus) PRE-SAFE
®
PLUS can de tect cer tain impacts, par-
ticular lyan imminent rear impact, and take pre-
em ptive measures toprotect theve hicle occu-
pants. These measures cann otnecessarily pre-
ve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
R Activating there ar hazard warning lights at a
higher 0ashing frequency.
R Increasing brake pressure when theve hicle is
stationar y.This brake application is cancelled
automatically when theve hicle pulls away.
If an accident did not occur, the pre-em ptive
measures that we re ta ken are reve rsed.
Syst
Syst em limits
em limits
The system will not initiate any action in thefo l-
lowing situations:
R when reve rsing or
R when theve hicle is towing a trailer and there
is a risk of a rear impact
The system will not initiate any braking application
in thefo llowing situations:
R whilst driving
or
R when entering or exiting a parking space while
using Active Parking Assist A A
ut
ut omatic measur
omatic measur es
esaTer
aTer an accident
an accident
Depending on the type and se verity of the acci-
dent, and depending on theve hicle's equipment,
th efo llowing measures can be implemented, for
ex ample:
R automatic braking (post-collision brake)
R activating the hazard warning lights
R triggering an automatic emer gency call
(/ page 314)
R switching o. the engine 60
60
Occupant saf
ety

A
A
djus
djus ting t
ting t he fr
he front seat electr
ont seat electr ically
ically1
Seat backrest inclination
2 Seat height
3 Seat cushion inclination
4 Seat fore -and-aT position #
Save the settings with the memory function
(/ page 117). A
A
djus
djus ting t
ting t he 4-wa
he 4-wa y lumbar support
y lumbar support 1
Higher
2 SoTer
3 Lower
4 Firm er #
Use buttons 1to4 toadjust the contour of
th e backrest. Head r
Head r
es
estrtraints
aints A
A
djus
djus ting t
ting t he fr
he front seat head r
ont seat head r es
estrtraints manually
aints manually &
W
WARNING
ARNING Risk of accident due toadjust-
ing theve hicle settings while theve hicle is
in motion
Yo u could lose control of theve hicle in thefo l-
lowing situations in particular:
R ifyo u adjust the driver's seat, the head
re straint, the steering wheel or the mir ror
while theve hicle is in motion
R ifyo ufa sten your seat belt while theve hi-
cle is in motion #
Before starting theve hicle: in particular,
adjust the driver's seat, head restraint,
stee ring wheel and mir ror,and fasten
yo ur seat belt. 110
110
Seats and st
owing

Yo
u can stop the adjustment process bypressing
one of the memory function position switches. &
W
WARNING
ARNING Risk of becoming trapped if
ch ildren activate the easy entry and exit
fe ature‑
Child ren could become trapped if they acti-
va te the easy entry‑ and exitfeature, particu-
lar lywhen unat tended. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. When
the easy entry and exitfeature is active, the
driver's seat will mo vebackwards and the bac k-
re st will be mo vedto a steeper position when:
R You switch the ignition o. when the driver's
door is open
R You open the driver's door when the ignition is
switched o. %
The driver's seat will then mo vebackwards
only if it is not already at there ar of the seat
adjustment range.
The seat backrest will then mo ve forwards
only if it is not already at the front of the bac k-
re st adjustment range.
The driver's seat will mo veback tothe last drive
position when:
R You switch the ignition on with the driver's
door closed.
R You close the driver's door when the ignition is
switched on
The last drive position will be sa ved when:
R You switch the ignition o..
R You call up the seat settings via the memory
function.
R You sa vethe seat settings via the memory
function. Se
Se
tting t
tting t he easy entr
he easy entr y and e
y and exit f
xit feature
eature Multimedia system:
4 © 5
Settings 5
Vehicle
5 Automatic seat adjustment
5 Easy Entry/Exit #
Activate or deactivate the function. Memor
Memor
y function
y function F
F
unction of t
unction of t he memor
he memory function
y function &
W
WARNING
ARNING Risk of an accident if the mem-
ory function is used while driving
If yo u use the memory function on the driver's
side while driving, you could lose control of
th eve hicle as a result of the adjustments
being made. #
Only use the memory function on the
driver's side when theve hicle is station-
ar y. 116
116
Seats and st
owing

&
W
W ARNI NG
ARNI NGRisk of entrapment when
adjusting the seat with the memory func-
tion
When the memory function adjusts the seat,
yo u and other vehicle occupants – particular ly
ch ildren – could become trapped. #
During the adjustment process of the
memory function, make sure that no one
has any body parts in the sweep of the
seat. #
If someone becomes trapped, press a
preset position button or seat adjust-
ment switch immediatel y.&
W
W ARNI NG
ARNI NGRisk of entrapment if the mem-
ory function is activated bychildren
Children could become trapped if they acti-
va te the memory function, particular lywhen
unat tended. #
Never lea vechildren unattended in the
ve hicle. #
When leaving theve hicle, alw aysta ke the
ke y with you and lock theve hicle. Yo
u can use the memory function when the igni-
tion is switched o..
Seat adjustments for up tothre e people can be
stored and called up using the memory function.
Yo u can sa vesettings forth efo llowing systems:
R Seat
R Seat contour
R Outside mir rors
R Head-up display Oper Oper
ating t
ating t he memor
he memor y function
y function S
S
t
tor
or ing
ing #
Set the desired position for all systems. #
Brie0y press memory button Vandthen
press preset position 4,TorU
within thre e seconds. Seats and st
owing
117
117

Switc
Switc
hing t
hing t he r
he reading light on and
eading light on and o.
o.#
Brie0y mo vea hand up or down beneath the
inside rearview mir ror.
The reading light is switched on or o. forthe
driver or the front passenger. Switc
Switc hing t
hing t he searc
he searc h light on and
h light on and o.
o. #
T
T o switc
o switc h on:
h on:reach across the front
passenger seat with a hand.
The sear chlight is switched on forth e driver. #
T
T o switc o switc h
ho.:
o.: take a hand back away from the
front passenger seat.
The search light is switched o. again. Inf
Inf
or
ormation on
mation on pr
pro/les,
o/les, t
themes, sugg
hemes, sugg es
estions andtions and
fav
fav our
our it
ites
es Fo
r electrically adjustable seats obser vethefo l-
lowing no tes. &
W
WARNING
ARNING Risk of becoming trapped dur-
ing adjustment of the driver's seat aTer
calling up a driver pro/le
Selecting a user pro/le may trigger an adjust-
ment of the driver's seat tothe position sa ved
under the user pro/le. You or other vehicle
occupants could be injured in the process. #
Make sure that when the position of the
driver's seat is being adjus ted via the
multimedia system, no people or body
parts are in the seat's range of mo ve-
ment.
If th ere is a risk of someone becoming trap-
ped, stop the adjustment process immedi-
atel y: #
a)Tapth ewa rning message onthe
media displa y.
or #
b) Press a memory function position but-
ton or a seat adjustment switch on the
driver's door.
The adjustment process will be stopped. 286 286
MBUX multimedia system

Seat — Calling up stored settings...........
.117
Seat — Storing settings........................... 117
Menu (on-boar
Menu (on-boar d com
d comput
puter)
er)
Head-up display..................................... 277
Overview................................................ 273
Mer
Mer cedes me app
cedes me app
Information............................................ 311
No tes...................................................... .26
on-demand feature................................... 26
Mer
Mer cedes me calls
cedes me calls
Ar ranging a service appointment............ 307
Calling the Mercedes-Benz customer
centre.................................................... 306
Calling the Mercedes-Benz Customer
Centre aTer automatic accident or
breakdown de tection............................. 307
Consenting todata transfer.................... 308
Information............................................ 306
Making a call via theove rhead control
panel..................................................... 305
Tr ansfer red data..................................... 308
Mer
Mer cedes me connect cedes me connect
Ac cident and Breakdown Managemen t...3 10
Information............................................3 09Tr
ansfer red data..................................... 311
Mer
Mer cedes-
cedes- AMG v
AMG vehicles
ehicles
No tes..................................................... 156
Mer
Mercedes-Benz emerg cedes-Benz emerg ency call sy st
enc y call sy stem
em
Au tomatic emer gency call...................... 314
Information........................................... .314
Information about data transfer.............. 316
Manual emer gency call.......................... 315
Overview................................................ 314
Self-diagnosis........................................ 316
St arting/ending ERA-GLONASS test
mode..................................................... 317
Mer Mercedes-Benz ser cedes-Benz ser vice centre
vice centre
see Quali/ed specialist workshop
Messag
Messag e (ins
e (instr
trument displa
ument displa y)
y)
see Displ aymessage
Messag
Messag e memory
e memory ......................................... 401
Mirr
Mirr ors
ors
see Outside mir rors
Mobile phone
Mobile phone Frequencies........................................... 382
No tes on wireless chargin g.................... 126
Tr ansmission output (maximum )............. 382 Mobile phone
Mobile phone
see Smartphone integ ration
see Telephone
Model type
Model type see Vehicle identi/cation plate
MOExt
MOExt ended tyr
ended tyr es
es....................................... .342
Mot
Mot orwa
or wa y mode
y mode .......................................... .134
MUL
MUL TIBEAM LED
TIBEAM LED.......................................... 133
Multifunction st
Multifunction st eer
eer ing wheel
ing wheel
Overview of buttons............................... 273
Multifunction st
Multifunction st eer
eering wheel
ing wheel
see Steering wheel
Multimedia syst
Multimedia syst em
em
see MBUX multimedia system N
N
N
N a
avig
vig ation
ation
Ac tivating............................................... 294
No tes..................................................... 293
Overview................................................ 295
Sh ow ing/hiding the menu...................... 294
Na Na vig
vigation
ation
see Destination entry Ind
ex
505
505